4055599987 has 2 divisors, whose sum is σ = 4055599988. Its totient is φ = 4055599986.

The previous prime is 4055599943. The next prime is 4055599991. The reversal of 4055599987 is 7899955504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4055599987 - 2¹¹ = 4055597939 is a prime.

It is not a weakly prime, because it can be changed into another prime (4055599937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2027799993 + 2027799994.

It is an arithmetic number, because the mean of its divisors is an integer number (2027799994).

Almost surely, 2^4055599987 is an apocalyptic number.

4055599987 is a deficient number, since it is larger than the sum of its proper divisors (1).

4055599987 is an equidigital number, since it uses as much as digits as its factorization.

4055599987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412000, while the sum is 61.

The square root of 4055599987 is about 63683.5927614013. The cubic root of 4055599987 is about 1594.7221912424.

The spelling of 4055599987 in words is "four billion, fifty-five million, five hundred ninety-nine thousand, nine hundred eighty-seven".